-- @testpoint: opengauss关键字truncate(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists truncate;
create function truncate(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists truncate;
--关键字带双引号-成功
drop function if exists "truncate";
create function "truncate"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "truncate";
--关键字带单引号-合理报错
drop function if exists 'truncate';
create function 'truncate'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `truncate`;
create function `truncate`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
